I. Stem cells are central to three processes in an organism: development, repair of adult tissue and cancer. A. Stem cells in mammalian development The zygote is the ultimate stem cell. It is totipotent with the ...

... have to be about micro. I went through a couple of papers on cell biology and immunology to come up with future prospects of research ... could put me in the right direction as to which field to choose (except cancer biology). Thank you.

Yes, I think programmed cell death is what I was talking bout. The actual thing in my mind was why cells don't spread faster and invade other organs while cancer cells do, since even if cancer cells can divide forever, most normal cells also have enough ...